You should go to school.
You should learn subjects.
You should eat every day or you die.
You should help you parents.
You should sleep at night.
He could speak French.
Could you help me?
We couldn’t swim
She couldn’t have done it
I could lend you my dictionary
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I should get up early
She should eat more vegetables
You shouldn’t go to bed late
You shouldn’t eat a lot off sweets
Should I go to the gym?